JEFFERSON — As an annual tradition, Shields-Ethridge Heritage Farm will celebrate its agricultural heritage by hosting Mule Day from 10 a.m. to 3 p.m. Saturday, May 4, at the farm. Admission is $15 for adults and $10 for children and includes admission to the farm and a whole hog BBQ lunch plate with drink. Lunch will be served from 11 a.m. to 1 p.m. Fried pies will be for sale as well as products produced on the farm.